The name means a mixture of spices, and the blending of spices is fundamental to Indian cookery. There are infinite different combinations, and every one imparts its own distinctive flavours. Blends of garam masala vary enormously, according to local or regional tastes. Each Indian household produces its own unique blend of spices to produce a garam masala. However, commercially blended garam masala is available in most major supermarkets. Store garam masala in an airtight container for upto 6 months.